/* ── Chat Demo Card ── */
.chat-demo { width: 100%; max-width: 420px; }
.chat-demo-card {
    background: #F1F3F5;
    border-radius: 14px;
    box-shadow: 0 8px 30px rgba(26,35,50,.12);
    overflow: hidden;
}

/* Header bar */
.chat-demo-header {
    background: #1A2332;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
}
.chat-demo-header img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}
.chat-demo-header span {
    color: #fff;
    font-family: 'Inter', 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .3px;
}

/* Content area */
.chat-demo-content { padding: 16px; display: flex; flex-direction: column; gap: 12px; }

/* ── Bubbles ── */
.chat-demo-user,
.chat-demo-ai {
    border-radius: 14px;
    padding: 14px 16px;
    font-family: 'Inter', 'DM Sans', sans-serif;
    font-size: 13px;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(12px) scale(.97);
    transition: opacity .4s ease, transform .4s cubic-bezier(.34,1.56,.64,1);
}
.chat-demo-user.visible,
.chat-demo-ai.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.chat-demo-user {
    background: #3c78fd;
    color: #fff;
    align-self: flex-end;
    max-width: 88%;
    margin-left: auto;
}

.chat-demo-ai {
    background: #F8F9FA;
    color: #1A2332;
    border: 1px solid #E5E7EB;
}

/* Typewriter cursor */
.chat-demo-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: currentColor;
    margin-left: 1px;
    vertical-align: text-bottom;
    animation: chat-demo-blink .6s step-end infinite;
}
.chat-demo-cursor.hidden { display: none; }

@keyframes chat-demo-blink {
    50% { opacity: 0; }
}

/* ── Status line ── */
.chat-demo-status {
    font-size: 11.5px;
    color: #6B7280;
    font-style: italic;
    margin-bottom: 6px;
    opacity: 0;
    transition: opacity .3s ease;
}
.chat-demo-status.visible { opacity: 1; }

/* ── Tool items ── */
.chat-demo-tool {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #E5E7EB;
    margin-bottom: 6px;
    font-size: 12.5px;
    font-family: 'Inter', 'DM Sans', sans-serif;
    color: #374151;
    opacity: 0;
    transform: translateX(-8px);
    transition: opacity .3s ease, transform .3s ease;
}
.chat-demo-tool.visible {
    opacity: 1;
    transform: translateX(0);
}

.chat-demo-tool-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    position: relative;
}

/* Spinner */
.chat-demo-spinner {
    width: 22px;
    height: 22px;
    position: absolute;
    top: 0; left: 0;
    animation: chat-demo-spin .8s linear infinite;
    transition: opacity .2s ease;
}
.chat-demo-tool.done .chat-demo-spinner { opacity: 0; }

@keyframes chat-demo-spin {
    to { transform: rotate(360deg); }
}

/* Checkmark */
.chat-demo-check {
    width: 22px;
    height: 22px;
    position: absolute;
    top: 0; left: 0;
    opacity: 0;
    transform: scale(0);
    transition: opacity .25s ease, transform .35s cubic-bezier(.34,1.56,.64,1);
}
.chat-demo-tool.done .chat-demo-check {
    opacity: 1;
    transform: scale(1);
}

/* ── Divider ── */
.chat-demo-divider {
    border: none;
    border-top: 1px solid #E5E7EB;
    margin: 8px 0;
    opacity: 0;
    transition: opacity .3s ease;
}
.chat-demo-divider.visible { opacity: 1; }

/* ── Response section ── */
.chat-demo-response { opacity: 0; transition: opacity .35s ease; }
.chat-demo-response.visible { opacity: 1; }

.chat-demo-response h4 {
    font-family: 'Playfair Display', 'Cormorant Garamond', serif;
    font-size: 13px;
    font-weight: 700;
    color: #1A2332;
    margin: 0 0 2px 0;
    letter-spacing: .5px;
}
.chat-demo-gradient-line {
    height: 2px;
    background: linear-gradient(90deg, #00ffff 0%, #3c78fd 100%);
    border-radius: 2px;
    width: 80px;
    margin-bottom: 10px;
}

/* Rol items */
.chat-demo-role {
    margin-bottom: 8px;
    font-size: 12px;
    line-height: 1.55;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .3s ease, transform .3s ease;
}
.chat-demo-role.visible {
    opacity: 1;
    transform: translateY(0);
}
.chat-demo-role a {
    color: #3c78fd;
    font-weight: 600;
    text-decoration: none;
}
.chat-demo-role-text {
    color: #374151;
}

/* ── Fade-out for loop reset ── */
.chat-demo-card.fading {
    opacity: 0;
    transition: opacity .45s ease;
}

/* ── Responsive ── */
@media (max-width: 576px) {
    .chat-demo { max-width: 100%; }
    .chat-demo-content { padding: 12px; }
    .chat-demo-user, .chat-demo-ai { font-size: 12px; padding: 12px 14px; }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .chat-demo-user, .chat-demo-ai, .chat-demo-tool,
    .chat-demo-role, .chat-demo-status, .chat-demo-divider,
    .chat-demo-response, .chat-demo-check, .chat-demo-card {
        transition: none !important;
        animation: none !important;
    }
    .chat-demo-spinner { animation: none !important; }
    /* Show everything immediately */
    .chat-demo-user, .chat-demo-ai, .chat-demo-tool,
    .chat-demo-role, .chat-demo-status, .chat-demo-divider,
    .chat-demo-response {
        opacity: 1 !important;
        transform: none !important;
    }
    .chat-demo-tool .chat-demo-spinner { opacity: 0 !important; }
    .chat-demo-tool .chat-demo-check { opacity: 1 !important; transform: scale(1) !important; }
    .chat-demo-cursor { display: none !important; }
}